28/03/2020Ideal Gases and Thermal Expansion(Senior Class Physics Study by Topics) 0Comments by Gate Academy Welcome to your Ideal Gases and Thermal Expansion(Senior Class Physics Study by Topics) NAME EMAIL PHONE NUMBER 1. Organize the following gasses in order of their rates of diffusion, from slowest to fastestoxygen, O2ammonia, NH3hydrogen, H2carbon dioxide, CO2 Hydrogen, ammonia, oxygen, carbon dioxide Carbon dioxide, oxygen, ammonia, hydrogen Oxygen, hydrogen, carbon dioxide, ammonia Hydrogen, oxygen, ammonia, carbon dioxide2. Gas pressure is caused by: Gas molecules heating up Gas molecules hitting the walls of a container Gas molecules reacting with other gas molecules Gas molecules hitting other gas molecules3. Which of the following types of bench would feel warmer on a cool harmattan day? Aluminium Wood Iron Marble4. What volume of space would 1 mole of gas occupy if it is at a temperature of 0C and pressure of 1 atm? ____ liters (round to the nearest tenth) 14,2 22.4 12.2 24.45. In a closed container at 1.0 atmosphere, the temperature of a sample of gas is raised from 300 K to 400 K. What will be the final pressure of the gas? 0 atm 0.010 atm 100 atm 1.3 atm6. At what pressure is a 5 liter container containing 20g of oxygen gas at a temperature of 10C? ____ atm (round to the nearest tenth) 2.9 3.6 5.6 1.57. A sample of gas occupies 2.5 liters of space. How many moles of gas are there if its pressure is 1.2 atm and temperature is 25C? ___ mol (round to the nearest hundreth). 0.12 12.0 20.0 0.28. Four liters of an ideal gas is heated from 200 K to 400 K in a container with a fixed volume. If the initial pressure was 1 atm, what is the final pressure? 0.5 atm 2 atm 4 atm 0.25 atm9. Which of the following is NOT a method of transporting heat energy from one place to another Conduction Radiation Condensation Conduction10. Assuming that the temperature remains constant. How can you increase the pressure of a gas? Add more molecules of the gas Increase the container volume Decrease the container volume None of the above11. Three spheres have the same mass and all float in water. Spheres A, B, and C have volumes of 2 cm3, 25 cm3, and 30 cm3, respectively. Which sphere floats the highest? C A B They all float at the same height12. What is the force that binds materials together? Van de Waal Strong nuclear Gravitational Electric13. What Kelvin temperature corresponds to room temperature of 20 degrees Centigrade 253 K 293 K 273 K 20 K14. What is the temperature of a 500 mL container of 100g of hydrogen gas held at a pressure of 0.25 atm? ____K 0.3 273 0.03 1915. If a block of material has a mass of 8 grams and a volume of 4 cubic centimeters, what is its density? 2 grams per cubic centimeter 12 grams-cubic centimeters 0.5 cubic centimeters per gram 4 grams-cubic centimeters16. Is real gases the same as an Ideal gases True False17. Which of the following explains why we feel cool when we stay very close to a fan? Wind Temperature Humidity Evaporation18. Neon gas has a volume of 2,000 ml with a pressure of 1.8atm however, the pressure decreased to 1.3 atm, what is now the volume of the neon gas? 3,759mL 2,759mL 3,795mL 2, 795mL19. You drove continuously from Laguna to Manila, and you observed that the pressure in your tires increased. This is because of the increased temperature outside the tire caused by friction. False True20. Not all Gas Law problems have Kelvin (K) as the unit of temperature. They can be expressed in Celsius (°C) and Fahrenheit(°F). So, convert 123°C to K. 396K 369K 486K 458K21. In which direction in a fluid at rest is the pressure the greatest at a given depth? The pressure is the same in all directions Horizontal Downward Upward22. Two barometers are made with water and oil. The density of oil is 900 kg/m3 and that of water is 1000 kg/m3. If the oil column is 10 m tall, how tall is the water column? 12.0 m 10.0 m 11.1 m 9.0 m23. Two gases are kept at the same temperature. If the molecules of gas A have 4 times the mass of those of gas B, what is the ratio of the rms speed of the A molecules to that of the B molecules? 4 2 1/4 1/224. Which of the following doubles with a doubling of the Celsius temperature of an ideal gas? None of the above Average kinetic energy Average speed Average momentum25. What is the force that binds atoms together? Gravitational Electric Nuclear Magnetic26 out of 25Time is Up!